private static IList <DbTable> GetDbTables(string tableName, DbConnection dbConnection, string schema = "public")
{
IList <DbTable> list;
using (DbCommand command = Transaction.CreateCommand(dbConnection, null))
{
string str1 = " where tables.table_schema = '" + schema + "'" + (!string.IsNullOrEmpty(tableName) ? " and tables.table_name ILIKE '" + tableName + "' " : string.Empty);
command.CommandText = @"select tables.table_name, tables.table_schema, columns.column_name, columns.is_nullable, columns.udt_name, columns.column_default,
key_usage.ordinal_position from information_schema.tables as tables join information_schema.columns as columns
on tables.table_catalog = columns.table_catalog and tables.table_schema = columns.table_schema and
tables.table_name = columns.table_name left join information_schema.key_column_usage as key_usage on
tables.table_catalog = key_usage.table_catalog and tables.table_schema = key_usage.table_schema and
tables.table_name = key_usage.table_name and columns.column_name = key_usage.column_name "
+ str1 + "order by table_schema, table_name, columns.ordinal_position";
command.Connection = dbConnection;
DbDataReader dbDataReader = command.ExecuteReader();
list = (IList <DbTable>) new List <DbTable>();
Dictionary <string, DbTable> dictionary1 = new Dictionary <string, DbTable>();
Dictionary <string, DbColumn> dictionary2 = new Dictionary <string, DbColumn>();
while (dbDataReader.Read())
{
string string1 = dbDataReader.GetString(0);
string string2 = dbDataReader.GetString(1);
string string3 = dbDataReader.GetString(2);
string string4 = dbDataReader.GetString(3);
string string5 = dbDataReader.GetString(4);
string str2 = !dbDataReader.IsDBNull(5) ? dbDataReader.GetString(5) : string.Empty;
bool isPrimaryKey = !dbDataReader.IsDBNull(6);
DbTable dbTable = null;
if (!dictionary1.ContainsKey(string1))
{
dbTable = new DbTable(string1, string2, (IList <DbColumn>) new List <DbColumn>());
dictionary1.Add(string1, dbTable);
list.Add(dbTable);
}
else
{
dbTable = dictionary1[string1];
}
string key = string1 + "*" + string3;
if (!dictionary2.ContainsKey(key))
{
bool pIsAutoGenerated = str2.StartsWith("nextval");
IList <DbColumn> columns = dictionary1[string1].Columns;
DbColumn dbColumn = new DbColumn(string3, PostgresSchemaProvider.GetDataType(string5), string4 == "YES", isPrimaryKey, pIsAutoGenerated, false);
dbColumn.ColumnTypeName = DbColumnFactory.GetColumnTypeName(dbColumn.DbType, dbTable.Name, dbColumn.IsPrimaryKey, dbColumn.Nullable);
dbColumn.ReturnType = DbColumnFactory.GetReturnType(dbColumn.DbType, dbColumn.Nullable);
columns.Add(dbColumn);
dictionary2.Add(key, dbColumn);
}
else if (isPrimaryKey)
{
dictionary2[key].IsPrimaryKey = true;
}
}
}
dbConnection.Close();
return(list);
}
public IList <DbTable> GetTables(DbConnection dbConnection)
{
return(PostgresSchemaProvider.GetDbTables((string)null, dbConnection));
}
public DbTable GetTable(DatabaseBase database, TableBase table)
{
IList <DbTable> tables = PostgresSchemaProvider.GetDbTables(table.Name, database.GetConnection(false));
return(tables.Count > 0 ? tables[0] : null);
}
